Home / 10,936,810.60-16,405,215.90-8,385,893.80

Finding the Fourth Proportional to 10,936,810.60, 16,405,215.90 and 8,385,893.80

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Solution

The fourth proportional to 10,936,810.60, 16,405,215.90 and 8,385,893.80 is: 12,578,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936,810.60 : 16,405,215.90 = 8,385,893.80 : x
  2. Step 2: Convert to fraction form
    10,936,810.60/16,405,215.90 = 8,385,893.80/x
  3. Step 3: Cross multiply
    10,936,810.60x = 16,405,215.90 × 8,385,893.80
  4. Step 4: Simplify right side
    10,936,810.60x = 137,572,398,303,471.42
  5. Step 5: Solve for x
    x = 137,572,398,303,471.42/10,936,810.60
  6. Step 6: Final answer
    x = 12,578,840.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.